Ottomanism refers to the late Ottoman Empire's attempt to promote a sense of common Ottoman identity that transcended ethnic and religious divisions. It aimed to create a unified, multi-ethnic state loyal to the Ottoman rulers. rephrase as a 9th grader shorten

Ottomanism tried to bring people from different ethnic and religious backgrounds together under one identity in the late Ottoman Empire. They wanted everyone to be loyal to the Ottoman rulers and create a united, diverse country.